Grinder bottom



FIG. 1 is a bottom perspective view of a grinder bottom showing our new design.

FIG. 2 is a top perspective view thereof.

FIG. 3 is a bottom plan view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a side elevation view thereof, the remaining sides being a mirror image; and,

FIG. 6 is a cross section view thereof, taken along line 6-6 of FIG. 3. 

CLAIM The ornamental design for a grinder bottom, as shown and described. 